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Articles | Volume XLIX-B3-2026
Articles | Volume XLIX-B3-2026
https://doi.org/10.5194/isprs-archives-XLIX-B3-2026-325-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/isprs-archives-XLIX-B3-2026-325-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume XLIX-B3-2026
30 Jul 2026
 | 30 Jul 2026

Using NGRDI index to assist in forest canopy gaps classification of UAV RGB imagery

Yu-Xuan Zhan, Yong-Jun Zhang, Chun-Hung Wei, and Jan-Chang Chen

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Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIX-B3-2026, 121–128, https://doi.org/10.5194/isprs-archives-XLIX-B3-2026-121-2026,https://doi.org/10.5194/isprs-archives-XLIX-B3-2026-121-2026, 2026